ThuliumV1, Main, Exploration, bibRecordById, pubmed:810827

Attenuation coefficients of various body tissues, fluids, and lesions at photon energies of 18 to 136 keV.

Identifieur interne : 004D26 ( Main/Exploration ); précédent : 004D25; suivant : 004D27

Attenuation coefficients of various body tissues, fluids, and lesions at photon energies of 18 to 136 keV.

Auteurs : M E Phelps ; E J Hoffman ; M M Ter-Pogossian

Source :

Radiology [ 0033-8419 ] ; 1975.

RBID : pubmed:810827

Descripteurs français

KwdFr :
- Américium, Animaux, Gadolinium, Haplorhini, Humains, Liquide cérébrospinal (), Macaca mulatta, Ordinateurs, Plasma sanguin (), Radio-isotopes, Radio-isotopes de l'iode, Radio-isotopes du cobalt, Scintigraphie, Thulium, Tomographie à rayons X, Tumeurs du cerveau (), Érythrocytes ().
MESH :
- Américium, Animaux, Gadolinium, Haplorhini, Humains, Liquide cérébrospinal, Macaca mulatta, Ordinateurs, Plasma sanguin, Radio-isotopes, Radio-isotopes de l'iode, Radio-isotopes du cobalt, Scintigraphie, Thulium, Tomographie à rayons X, Tumeurs du cerveau, Érythrocytes.

English descriptors

KwdEn :
- Americium, Animals, Brain Neoplasms (radiography), Cerebrospinal Fluid (radiography), Cobalt Radioisotopes, Computers, Erythrocytes (radiography), Gadolinium, Haplorhini, Humans, Iodine Radioisotopes, Macaca mulatta, Plasma (radiography), Radioisotopes, Radionuclide Imaging, Thulium, Tomography, X-Ray.
MESH :
- chemical : Americium, Cobalt Radioisotopes, Gadolinium, Iodine Radioisotopes, Radioisotopes, Thulium.
- radiography : Brain Neoplasms, Cerebrospinal Fluid, Erythrocytes, Plasma.
- Animals, Computers, Haplorhini, Humans, Macaca mulatta, Radionuclide Imaging, Tomography, X-Ray.

Abstract

Radioactive sources of 241Am, 125I, 153Gd, 170Tm, and 57Co were used to measure the attenuation coefficient muL of various body tissues (gray and white matter, fat, liver, pancreas, and muscle), fluids (water, cerebrospinal fluid, plasma, and red blood cells), and cerebral lesions (blood clots, edematous brain tissue, and eight types of brain tumors) at 16 different energies in the range 18-136 keV. Experimental accuracy was about 0.1-0.3% and 0.2-0.4% in the energy ranges 18-60 keV and 60-136 keV, respectively. Comparisons with values determined in vivo and in vitro with an EMI scanner showed excellent agreement. It is hoped that these findings will provide a better understanding of the photon interactions at the sensitivity level of computed tomography.

DOI: 10.1148/117.3.573
PubMed: 810827

Affiliations:

Le document en format XML

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<term>Cobalt Radioisotopes</term>
<term>Computers</term>
<term>Erythrocytes (radiography)</term>
<term>Gadolinium</term>
<term>Haplorhini</term>
<term>Humans</term>
<term>Iodine Radioisotopes</term>
<term>Macaca mulatta</term>
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<term>Tomography, X-Ray</term>
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<term>Animaux</term>
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<term>Liquide cérébrospinal ()</term>
<term>Macaca mulatta</term>
<term>Ordinateurs</term>
<term>Plasma sanguin ()</term>
<term>Radio-isotopes</term>
<term>Radio-isotopes de l'iode</term>
<term>Radio-isotopes du cobalt</term>
<term>Scintigraphie</term>
<term>Thulium</term>
<term>Tomographie à rayons X</term>
<term>Tumeurs du cerveau ()</term>
<term>Érythrocytes ()</term>
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<keywords scheme="MESH" type="chemical" xml:lang="en"><term>Americium</term>
<term>Cobalt Radioisotopes</term>
<term>Gadolinium</term>
<term>Iodine Radioisotopes</term>
<term>Radioisotopes</term>
<term>Thulium</term>
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<term>Cerebrospinal Fluid</term>
<term>Erythrocytes</term>
<term>Plasma</term>
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<term>Computers</term>
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<term>Humans</term>
<term>Macaca mulatta</term>
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<term>Liquide cérébrospinal</term>
<term>Macaca mulatta</term>
<term>Ordinateurs</term>
<term>Plasma sanguin</term>
<term>Radio-isotopes</term>
<term>Radio-isotopes de l'iode</term>
<term>Radio-isotopes du cobalt</term>
<term>Scintigraphie</term>
<term>Thulium</term>
<term>Tomographie à rayons X</term>
<term>Tumeurs du cerveau</term>
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<front><div type="abstract" xml:lang="en">Radioactive sources of 241Am, 125I, 153Gd, 170Tm, and 57Co were used to measure the attenuation coefficient muL of various body tissues (gray and white matter, fat, liver, pancreas, and muscle), fluids (water, cerebrospinal fluid, plasma, and red blood cells), and cerebral lesions (blood clots, edematous brain tissue, and eight types of brain tumors) at 16 different energies in the range 18-136 keV. Experimental accuracy was about 0.1-0.3% and 0.2-0.4% in the energy ranges 18-60 keV and 60-136 keV, respectively. Comparisons with values determined in vivo and in vitro with an EMI scanner showed excellent agreement. It is hoped that these findings will provide a better understanding of the photon interactions at the sensitivity level of computed tomography.</div>
</front>
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<affiliations><list></list>
<tree><noCountry><name sortKey="Hoffman, E J" sort="Hoffman, E J" uniqKey="Hoffman E" first="E J" last="Hoffman">E J Hoffman</name>
<name sortKey="Phelps, M E" sort="Phelps, M E" uniqKey="Phelps M" first="M E" last="Phelps">M E Phelps</name>
<name sortKey="Ter Pogossian, M M" sort="Ter Pogossian, M M" uniqKey="Ter Pogossian M" first="M M" last="Ter-Pogossian">M M Ter-Pogossian</name>
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Attenuation coefficients of various body tissues, fluids, and lesions at photon energies of 18 to 136 keV.

Attenuation coefficients of various body tissues, fluids, and lesions at photon energies of 18 to 136 keV.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki

	Serveur d'exploration sur le thulium
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